CN111079207A - Anti-theft fingerprint power-on computer host protection box - Google Patents
Anti-theft fingerprint power-on computer host protection box Download PDFInfo
- Publication number
- CN111079207A CN111079207A CN202010177099.8A CN202010177099A CN111079207A CN 111079207 A CN111079207 A CN 111079207A CN 202010177099 A CN202010177099 A CN 202010177099A CN 111079207 A CN111079207 A CN 111079207A
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- box
- space
- wall
- cam
- lifting
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/86—Secure or tamper-resistant housings
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses a computer host protection box capable of preventing fingerprints from being stolen, which comprises a protection box, wherein a protection space is arranged in the protection box, a computer is installed in the protection space, a first opening which penetrates through the right wall of the protection box and is used for a rear end connecting wire of the computer is arranged on the right side of the protection space, a lockable box door is hinged to the left side of the protection space through a hinge, air holes which are uniformly distributed at equal intervals and form an air circulation channel with the first opening and dissipate heat are formed in the box door, the computer can be protected from being opened by other people through fingerprint starting on the outer side of the protection box, an alarm connected with a communication tool such as a mobile phone can inform a user of abnormal conditions at the first time, and a balancing weight which increases the weight is arranged in the box, so that a thief is prevented from stealing the whole protection box.
Description
Technical Field
The invention relates to the technical field of data security, in particular to an anti-theft fingerprint boot computer host protection box.
Background
The host refers to the main body part of the computer except the input and output equipment. And a control box for placing a motherboard and other major components, typically including a CPU, memory, motherboard, optical drive, power supply, and other input/output controllers and interfaces,
in order to protect a computer and data information in the computer, a commonly used method at present is to sleeve a protection box on the computer, which can play a certain role, but has some disadvantages, for example, after the protection box is installed, a plugging line of the computer becomes more troublesome, the computer often needs to be unlocked when in use, a power-on key is often unprotected, and anyone can start the computer at any time, even if a power-on password is set, the information in the computer still has a risk of being stolen, and even the whole protection box can be removed.
Disclosure of Invention
The invention aims to provide a protective box for a computer host capable of preventing fingerprint theft, which is used for overcoming the defects in the prior art.
The invention discloses a protective box of a computer host capable of preventing fingerprints from being stolen, which comprises a protective box, wherein a protective space is arranged in the protective box, a computer is installed in the protective space, a first opening which penetrates through the right wall of the protective box and is used for a rear end connecting wire of the computer is arranged on the right side of the protective space, a lockable box door is hinged to the left side of the protective space through a hinge, air holes which are uniformly distributed at equal intervals and form an air circulation channel with the first opening and dissipate heat are formed in the box door, a lock block used for locking the box door is fixedly arranged at the left end of the bottom wall of the protective box, a starting mechanism used for starting the computer host by fingerprints is arranged on the upper side of the box door, and a track mechanism used for pulling the protective box and a lifting mechanism used for lifting the protective box are arranged on the lower side of the.
On the basis of the technical scheme, the starting mechanism comprises a cam box fixedly arranged in the box door, a fingerprint button for fingerprint induction is fixedly arranged on the left side of the cam box, a cam space is arranged in the cam box, a second opening penetrating through the right wall of the cam box is arranged on the right side of the cam space, a motor is fixedly arranged on the rear wall of the cam space, the front end of the motor is connected with a rotating shaft with the front end rotationally connected with the cam space, a cam is fixedly arranged on the rotating shaft, the right side of the cam is abutted with a push rod which passes through the second opening and is used for pressing a switch positioned on the upper side of the right surface of the computer, the fingerprint pressing device is characterized in that the push rod is sleeved with a return spring, the left end of the return spring is fixedly connected with the right surface of the cam box, the right end of the return spring is fixedly connected with the right end of the push rod, and the fingerprint button is electrically connected with the motor.
On the basis of the technical scheme, the track mechanism comprises a track block located on the lower side of the protection box, a groove is formed in the upper surface of the track block, clamping grooves are formed in the front side wall and the rear side wall of the groove, clamping blocks are fixedly connected to the front side wall and the rear side wall of the bottom wall of the protection box in a sliding mode and are symmetrical in front and rear positions, the clamping blocks are far away from the rightmost end of one side wall of the protection box and are used for enabling the clamping blocks not to be separated from first stop blocks of the clamping grooves, and the left side of each clamping block is fixedly connected with a second stop block which is arranged at the leftmost end of the clamping groove and used.
On the basis of the technical scheme, the lifting mechanism comprises a box cover fixedly arranged on the lower surface of the track block, a lifting box is arranged on the lower side of the box cover, upper teeth are arranged at the bottom ends of the front wall, the rear wall, the left wall and the right wall of the box cover, lower teeth positioned at the upper ends of the front wall, the rear wall, the left wall and the right wall of the lifting box are clamped on the upper teeth, a lifting space is arranged between the lifting box and the box cover, four primary air rods are arranged on the bottom wall of the lifting space, a balancing weight fixedly arranged at the center of the bottom wall of the lifting space and used for increasing stability and slightly increasing weight to make the protection box inconvenient to carry is arranged between the four primary air rods, one side of each primary air rod, far away from the balancing weight, is connected with an air pump fixedly arranged on the bottom wall of the lifting space, a secondary air rod is slidably connected on the upper side of each, the upper end of the four-stage air rod is fixedly connected with a supporting block fixedly arranged on the top wall of the lifting space.
On the basis of the technical scheme, an alarm for detecting abnormal opening of the box door is fixedly arranged on the top wall of the protection space, and the alarm is connected with communication articles such as mobile phones of users and can remind the users at the first time when abnormal conditions occur.
The invention has the beneficial effects that: the computer can be protected from being opened by others by starting up the computer through the fingerprint on the outer side of the protection box, so that the information in the computer is safer; the alarm connected with the communication tools such as the mobile phone and the like can inform the user of the abnormal condition at the first time; a weight-increasing balancing weight is arranged in the lifting box, so that a thief is prevented from stealing the whole protection box; whole guard box can lifting and pull and the guard box rear side is opened there is great first opening, and will be very convenient when computer rear end adjusts the circuit, does not need regular unblanking.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of a computer host protection box for preventing fingerprint theft according to the present invention;
FIG. 2 is a schematic view of the present invention taken along the line A-A of FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 2 taken along the direction C-C;
FIG. 4 is an enlarged view of the invention at B in FIG. 1;
fig. 5 is a schematic view of the structure of fig. 4 in the direction D-D according to the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1 to 5, the protective box for a computer host capable of preventing fingerprint theft according to the embodiment of the present invention includes a protective box 20, a protective space 40 is provided inside the protective box 20, a computer 39 is installed in the protective space 40, a first opening 38 for connecting a rear end of the computer 39 is provided on a right side of the protective space 40, the first opening penetrates a right wall of the protective box 20, a lockable box door 24 is hinged to a left side of the protective space 40 through a hinge 22, air holes 23 are provided on the box door 24, the air holes are uniformly distributed at equal intervals, the air holes and the first opening 38 form an air circulation channel and dissipate heat, a lock block 25 for locking the box door 24 is fixedly provided on a left end of a bottom wall of the protective box 20, a boot mechanism 801 for starting fingerprint is provided on an upper side of the box door 24, a track mechanism 802 for pulling the protective box 20 is provided at a time from top to bottom on a lower side of the protective box, A lifting mechanism 803 for lifting the protective case 20.
In addition, in one embodiment, the starting mechanism 801 includes a cam box 51 fixedly disposed in the box door 24, a fingerprint button 46 for fingerprint sensing is fixedly disposed on the left side of the cam box 51, a cam space 50 is disposed inside the cam box 51, a second opening 53 penetrating through the right wall of the cam box 51 is disposed on the right side of the cam space 50, a motor 60 is fixedly disposed on the rear wall of the cam space 50, a rotating shaft 49 with a front end rotatably connected to the cam space 50 is connected to the front end of the motor 60, a cam 47 is fixedly disposed on the rotating shaft 49, a push rod 56 penetrating through the second opening 53 and used for pressing a switch 57 located on the upper side of the right surface of the computer 39 is abutted to the right side of the cam 47, a return spring 54 with a left end fixedly connected to the right surface of the cam box 51 is sleeved on the push rod 56, and a right end of the return spring 54 is fixedly connected to the right end of the push rod 56, the fingerprint button 46 is electrically connected with the motor 60, when the computer needs to be started, a finger presses the fingerprint button 46, the fingerprint button 46 performs fingerprint detection, if the fingerprint button 46 passes the detection, the motor 60 is controlled to be started by the fingerprint button 46, the rotating shaft 49 rotates for a circle, the rotating shaft 49 drives the cam 47 to rotate for a circle and pushes the push rod 56 rightwards, the push rod 56 can only move leftwards and rightwards under the limitation of the second opening 53, so the push rod 56 moves rightwards and presses the switch 57 to start the computer 39, and then the push rod 56 moves leftwards under the elastic force of the return spring 54 and is abutted against the cam 47 in the whole process.
In addition, in an embodiment, the rail mechanism 802 includes a rail block 33 located at the lower side of the protection box 20, a groove 37 is provided in the upper surface of the rail block 33, two slots 41 are provided in the front and rear side walls of the groove 37, two locking blocks 42 fixed to the front and rear sides of the bottom wall of the protection box 20 and symmetrical in the front and rear positions are slidably connected to the locking block 41, a first locking block 43, symmetrical in the front and rear positions, for preventing the locking block 42 from being detached from the locking block 41 is fixedly connected to the rightmost end of one side wall of the protection box 20 away from the locking block 42, a second locking block 44 fixed to the leftmost end of the locking block 41 for blocking the first locking block 43 is slidably connected to the left side of the locking block 42, and when a line at the rear end of the computer 39 needs to be adjusted, the protection box 20 can be.
In addition, in one embodiment, the lifting mechanism 803 includes a box cover 26 fixedly arranged on the lower surface of the rail block 33, a lifting box 27 is arranged on the lower side of the box cover 26, upper teeth 58 are arranged at the bottom ends of the front, rear, left and right walls of the box cover 26, lower teeth 59 positioned at the upper ends of the front, rear, left and right walls of the lifting box 27 are clamped to the upper teeth 58, a lifting space 29 is arranged between the lifting box 27 and the box cover 26, four primary air rods 31 are arranged on the bottom wall of the lifting space 29, a counterweight block 30 fixedly arranged at the center of the bottom wall of the lifting space 29 for increasing stability and slightly increasing weight to make the protective box 20 inconvenient to carry is arranged between the four primary air rods 31, an air pump 28 fixedly arranged on the bottom wall of the lifting space 29 is connected to one side of the primary air rods 31 far away from the counterweight block 30, a secondary air rod 32 is slidably connected, second grade gas pole 32 upside sliding connection has tertiary gas pole 36, the upside sliding connection of tertiary gas pole 36 has level four gas pole 35, the upper end fixedly connected with of level four gas pole 35 set firmly in the piece 34 that supports of lifting space 29 roof starts during the air pump 28, the air pump 28 makes first grade gas pole 31 level second grade gas pole 32 tertiary gas pole 36 atmospheric pressure increase in the level four gas pole 35 and jack-up level two grade gas pole 32 tertiary gas pole 36 with level four gas pole 35, level four gas pole 35 passes through support piece 34 will case lid 26 lifting makes guard box 20 lifting.
In addition, in an embodiment, an alarm 21 for detecting that the door 24 is abnormally opened is fixedly disposed on a top wall of the protection space 40, and the alarm 21 is connected to a communication article such as a mobile phone of a user and can remind the user at the first time when an abnormal condition occurs.
In the initial state, the upper teeth 58 abut against the lower teeth 59, and the protection box 20 is positioned at the rightmost side.
When the computer is started, a finger presses the fingerprint button 46, the fingerprint button 46 performs fingerprint detection, if the fingerprint detection is passed, the fingerprint button 46 controls the motor 60 to start and rotate the rotating shaft 49 for a circle, the rotating shaft 49 drives the cam 47 to rotate for a circle and pushes the push rod 56 rightward, the push rod 56 can only move leftward and rightward under the limitation of the second opening 53, so that the push rod 56 moves rightward and presses the switch 57 to start the computer 39, and then the push rod 56 moves leftward under the action of the elastic force of the return spring 54 and is completely abutted against the cam 47.
When the line at the rear end of the computer 39 needs to be adjusted, the computer 39 can be lifted, the air pump 28 is started, the air pump 28 increases the air pressure in the first-stage air rod 31, the second-stage air rod 32, the third-stage air rod 36 and the fourth-stage air rod 35 and jacks up the second-stage air rod 32, the third-stage air rod 36 and the fourth-stage air rod 35, the fourth-stage air rod 35 lifts the box cover 26 through the abutting block 34 and lifts the protection box 20, when the line is lifted to be suitable for the operation of a user, the air pump 28 is closed, after the line is lifted, the line at the rear end of the computer 39 can be adjusted by the user standing without squatting or lifting the computer 39 to a desk top, the line is convenient to use, and the protection box 20 can be pulled out through the track,
after the adjustment is completed, the air pump 28 is started to lower the protection box 20 until the upper teeth 58 abut against the lower teeth 59 and push the protection box 20 to the rightmost side, and the protection box returns to the initial state.
The invention has the beneficial effects that: the computer can be protected from being opened by others by starting up the computer through the fingerprint on the outer side of the protection box, so that the information in the computer is safer; the alarm connected with the communication tools such as the mobile phone and the like can inform the user of the abnormal condition at the first time; a weight-increasing balancing weight is arranged in the lifting box, so that a thief is prevented from stealing the whole protection box; whole guard box can lifting and pull and the guard box rear side is opened there is great first opening, and will be very convenient when computer rear end adjusts the circuit, does not need regular unblanking.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a theftproof fingerprint start computer host computer guard box, includes the guard box, its characterized in that: the inside protection space that is equipped with of guard box, install the computer in the protection space, the right side in protection space is equipped with and runs through be used for of guard box right side wall the first opening of computer rear end termination line, the left side in protection space articulates through the hinge has the chamber door of lockable, be equipped with equidistant evenly distributed on the chamber door and with air cycle passageway and radiating bleeder vent are constituteed to first opening, the left end of guard box diapire is equipped with admittedly and is used for the locking piece of chamber door, the upside of chamber door is equipped with the start mechanism that is used for the fingerprint start, the downside of guard box is equipped with from last to once being used for the pull down the track mechanism of guard box, be used for the lifting mechanism of guard box.
2. The anti-theft fingerprint boot computer host protection box of claim 1, wherein: the starting mechanism comprises a cam box fixedly arranged in a box door, a fingerprint button used for fingerprint induction is fixedly arranged on the left side of the cam box, a cam space is arranged in the cam box, a second opening penetrating through the right wall of the cam box is arranged on the right side of the cam space, a motor is fixedly arranged on the rear wall of the cam space, the front end of the motor is connected with a rotating shaft with the front end rotatably connected to the cam space, a cam is fixedly arranged on the rotating shaft, a push rod penetrating through the second opening and used for pressing a switch positioned on the upper side of the right surface of the computer is abutted to the right side of the cam, a reset spring fixedly connected with the right surface of the cam box at the left end is sleeved on the push rod, the right end of the reset spring is fixedly connected with the right end of the push rod, and the fingerprint button is electrically connected with the motor.
3. The anti-theft fingerprint boot computer host protection box of claim 1, wherein: the track mechanism is including being located the track piece of guard box downside, be equipped with the recess in the track piece upper surface, be equipped with the draw-in groove in the both sides wall around the recess, sliding connection has set firmly in the draw-in groove both sides around the guard box diapire and the fixture block of front and back position symmetry, the fixture block is kept away from the just position symmetry around the rightmost end fixedly connected with of a lateral wall of guard box is used for making the fixture block does not deviate from the first dog of draw-in groove, the left side sliding connection of fixture block set firmly in the leftmost end of draw-in groove is used for blocking the second dog of first dog.
4. The anti-theft fingerprint boot computer host protection box of claim 1, wherein: the lifting mechanism comprises a box cover fixedly arranged on the lower surface of the track block, a lifting box is arranged on the lower side of the box cover, upper teeth are arranged at the bottom ends of the front wall, the rear wall, the left wall and the right wall of the box cover, lower teeth positioned at the upper ends of the front wall, the rear wall, the left wall and the right wall of the lifting box are clamped on the upper teeth, a lifting space is arranged between the lifting box and the box cover, four primary air rods are arranged on the bottom wall of the lifting space, a balancing weight which is fixedly arranged at the center of the bottom wall of the lifting space and used for increasing stability and slightly increasing weight to make the protection box inconvenient to carry is arranged between the lifting box and the box cover, one side, away from the balancing weight, of each primary air rod is connected with an air pump fixedly arranged on the bottom wall of the lifting space, a secondary air rod is slidably connected on the upper side, the upper end of the four-stage air rod is fixedly connected with a supporting block fixedly arranged on the top wall of the lifting space.
5. The anti-theft fingerprint boot computer host protection box of claim 1, wherein: an alarm used for detecting abnormal opening of the box door is fixedly arranged on the top wall of the protection space, and the alarm is connected with communication articles such as mobile phones of users and can remind the users at the first time when abnormal conditions occur.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010177099.8A CN111079207B (en) | 2020-03-13 | 2020-03-13 | Anti-theft fingerprint power-on computer host protection box |
| GBGB2006874.8A GB202006874D0 (en) | 2020-03-13 | 2020-05-11 | An anti-theft fingerprint boot computer host protection box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010177099.8A CN111079207B (en) | 2020-03-13 | 2020-03-13 | Anti-theft fingerprint power-on computer host protection box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111079207A true CN111079207A (en) | 2020-04-28 |
| CN111079207B CN111079207B (en) | 2020-11-24 |
Family
ID=70324630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010177099.8A Active CN111079207B (en) | 2020-03-13 | 2020-03-13 | Anti-theft fingerprint power-on computer host protection box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111079207B (en) |
| GB (1) | GB202006874D0 (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1494188A1 (en) * | 2003-01-30 | 2005-01-05 | Matsushita Electric Industrial Co., Ltd. | Abnormality detection device and information apparatus using the same |
| CN105852419A (en) * | 2016-04-01 | 2016-08-17 | 刘志祥 | Computer carrying frame with alarming function |
| CN107608477A (en) * | 2016-11-01 | 2018-01-19 | 合肥齐赢网络技术有限公司 | One kind is based on mechanical tracks mobile computer anti theft host case |
| CN107679388A (en) * | 2017-11-20 | 2018-02-09 | 南陵县葛业协会 | A kind of computer software encipherment protection device |
| CN108897395A (en) * | 2018-07-05 | 2018-11-27 | 佛山途睿网络科技有限公司 | A kind of computer Portable box body |
| CN208571307U (en) * | 2018-08-30 | 2019-03-01 | 邓富强 | A kind of liftable rotary heat radiation power distribution cabinet |
| CN208848126U (en) * | 2018-07-18 | 2019-05-10 | 贵州广播电视大学(贵州职业技术学院) | A kind of computer cabinet protection machine frame |
| CN209115904U (en) * | 2018-11-27 | 2019-07-16 | 卓秋萍 | A kind of mobile base of computer cabinet |
| CN110119642A (en) * | 2019-05-23 | 2019-08-13 | 徐州工业职业技术学院 | A kind of Computer Data Security protective device |
| CN209911974U (en) * | 2019-04-16 | 2020-01-07 | 佳木斯大学 | Safety anti-theft computer cabinet |
| CN110780713A (en) * | 2019-10-18 | 2020-02-11 | 冯伟 | Intelligent modularized case |
| CN210109694U (en) * | 2018-12-26 | 2020-02-21 | 海南海道普大数据技术有限公司 | Computer cabinet |
-
2020
- 2020-03-13 CN CN202010177099.8A patent/CN111079207B/en active Active
- 2020-05-11 GB GBGB2006874.8A patent/GB202006874D0/en not_active Ceased
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1494188A1 (en) * | 2003-01-30 | 2005-01-05 | Matsushita Electric Industrial Co., Ltd. | Abnormality detection device and information apparatus using the same |
| CN105852419A (en) * | 2016-04-01 | 2016-08-17 | 刘志祥 | Computer carrying frame with alarming function |
| CN107608477A (en) * | 2016-11-01 | 2018-01-19 | 合肥齐赢网络技术有限公司 | One kind is based on mechanical tracks mobile computer anti theft host case |
| CN107679388A (en) * | 2017-11-20 | 2018-02-09 | 南陵县葛业协会 | A kind of computer software encipherment protection device |
| CN108897395A (en) * | 2018-07-05 | 2018-11-27 | 佛山途睿网络科技有限公司 | A kind of computer Portable box body |
| CN208848126U (en) * | 2018-07-18 | 2019-05-10 | 贵州广播电视大学(贵州职业技术学院) | A kind of computer cabinet protection machine frame |
| CN208571307U (en) * | 2018-08-30 | 2019-03-01 | 邓富强 | A kind of liftable rotary heat radiation power distribution cabinet |
| CN209115904U (en) * | 2018-11-27 | 2019-07-16 | 卓秋萍 | A kind of mobile base of computer cabinet |
| CN210109694U (en) * | 2018-12-26 | 2020-02-21 | 海南海道普大数据技术有限公司 | Computer cabinet |
| CN209911974U (en) * | 2019-04-16 | 2020-01-07 | 佳木斯大学 | Safety anti-theft computer cabinet |
| CN110119642A (en) * | 2019-05-23 | 2019-08-13 | 徐州工业职业技术学院 | A kind of Computer Data Security protective device |
| CN110780713A (en) * | 2019-10-18 | 2020-02-11 | 冯伟 | Intelligent modularized case |
Also Published As
| Publication number | Publication date |
|---|---|
| GB202006874D0 (en) | 2020-06-24 |
| CN111079207B (en) | 2020-11-24 |
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Effective date of registration: 20221208 Address after: 221400 plant 5, smart Photoelectric Industrial Park, Xiyi high tech Industrial Development Zone, Xinyi City, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Airui Electronic Technology Co.,Ltd. Address before: Room 101-102, building C, No. 10, Huangshan Road, Beigou street, Xinyi City, Xuzhou City, Jiangsu Province Patentee before: Xinyi Xiyi high tech Material Industry Technology Research Institute Co.,Ltd. |
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